OpenTechnical

OT-2026-000027657

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000027657) never changes.

Identity and time

Publication numberOT-2026-000027657 · never reused
Internal UUID01a0ae72-6999-7e7d-97d0-d3a864c21026 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027657
StatusPUBLIC

Content hashes

Canonical texta951f5ef3534e7e25e62d861a55c86721bec02b56b621403277b2fe7a3e0e3d2
Markdown89430d48233f19109c731a67912e4c6017dcd5cda52f0bb4c47242298b7e17fb
PDF
Publication page4e8b68278a786821a61f835614dec31590fba39104dba2fb244078f46dd39cc4
Manifest8a6d08f4d95a6be6368ae502e1afcc6c990cdb7ebfbb4ebf579d86461703ac8c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature3nQzn/hSxLtpQmAsHL9Lr5HDBmV4n9lmYwqDNeMCvWdZWrvc5GJmZKGH/tr1XFB7OCy6XantWGbl7P0Jgur+Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:11.277019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027657
observed 4e8b68278a786821a61f835614dec315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.258058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027657/manifest.json
observed 8a6d08f4d95a6be6368ae502e1afcc6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.237970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027657/publication.md
observed 89430d48233f19109c731a67912e4c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:11.215194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027657/publication.txt
observed a951f5ef3534e7e25e62d861a55c8672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.